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<title>如何提升等级</title>
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  <div class="ui_gradient text_title">如何提升等级</div>
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      <p>1.您作为推荐人，邀请您的朋友下载差旅通客户端并注册使用即可帮您升级；
      <br>2.新用户在注册时填写了您的专属邀请码或手机号作为他的推荐人，即为邀请成功；
      <br>3.受邀的新用户在注册时需要使用一台首次安装差旅通的手机，否则邀请无效。</p>
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  <div class="ui_gradient text_title">升级标准</div>
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  	<p>普通用户：注册并成功登录<br>
VIP用户： 一年内累计成功邀请3人<br>
钻石用户：一年内累计成功邀请6人</p>
<p>达到VIP会员升级标准后，系统会自动为您升级。
达到钻石会员升级标准后，您只需完成企业邮箱认证即可升级。</p>
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